Telephone system



June 2, y1959 R. B. TRousDALE TELEPHONE SYSTEM 32 Sheets-Sheet 1Original Filed Nov. 23, 1951 INVENToR. Babe/' 6. Fous-dale June 2, 1959R. B. TROUSDALE 2,889,408

TELEPHONE SYSTEM 52 Sheets-Sheet 2 Original Filed Nov. 23, 1951 MIM/dffsz/ www I INVENToR. Robe/'Z T'oasda/e NJK | I l I ISINMNM l l MM.

@MEQ @En l l wm www. o\ www@ mwhwdl www@ June 2, 1959 y R. B. TROUSDALE2,889,408

TELEPHONE SYSTEM Original Filed Nov. 25, 1951 :52 sheets-sheet s June 2,1959 R. B. TROUSDALE 2,889,408

TELEPHONE SYSTEM S52 Sheets-Sheet 4 Original Filed Nov. 25, 1951 I I I II I l l l l i l I Il ,l 1| 1| I. l I I .l .ll [1 e QNN lQwUwktU m mM Y ms 1b nm @n w .m QL mn m 1T. Q m w f Nm e j mvk 10 Y B uw .hww NSS www5MSW QN N

June 2, 1959 R. B. TRousDALE 2,889,408

. TELEPHONE SYSTEM original Filed New. 25. 1951- 52 Sheets-Sheet 5 SNESE@ QN June 2, l1959 R. B. TROUSDALE 2,889,408

TELEPHONE SYSTEM original Filed Nov. 2s, 1951 s2 shew-sheet e m25 mw v@5,5

MNC

NWNJ

June 2, 1959 B. TRousDALE 2,889,408

TELEPHONE SYSTEM Original Filed Nov. 23, 1951 32 Sheets-Sheet 7 AAAAAA v'vvv v INVENTOR. @be/"Z Tfvusciczle ffm Ziggy June 2, 1959 R. B.TRoUsDALE 2,889,408

l TELEPHONE SYSTEM Original Filed Nov. 25. 1951 .'52 Sheets-Sheet 8 +5Swich/z' muzi 20/ ffy@ J/wbv June 2, 1959 R. B. TROUSDALE 2,889,408

TELEPHONE SYSTEM Original Filed Nov. 25. 1951 52 Sheets-Sheet 9 NNN June2, 1959 Original Filed Nov. 23. 1951 [ze] l ea@ R. B. TROUSDALETELEPHONE SYSTEM 52 Sheets-Sheet 11 June 2, 1959 R. B. TRousDALE2,889,408-

i TELEPHONE SYSTEM v Original Filed Nov. 23, 1951 52 Sheets-Sheet 12 JKMJune 2, 1959 R. B. TRoUsDALE 2,889,408

TELEPHONE SYSTEM 52 Sheets-Sheet 15 Original Filed Nov. 23. 1951 I NVVEN TOR. @bd/i Fawccde June 2, 1959 R. aTRousDALl-I 2,889,408

TELEPHONE SYSTEM original Filed Nav. 25, 1951 s2 sheets-sheet' 15 I CodeSzcu'z; U'L "[200 Pulse OLc'azz/Z/a 'f/'V. Y

bd/e fak/nm 'm dimmi-Z220 Code fr/nhg 'rca 27a IN VEN TOR.

gabe/Z 5 fraz/sable June 2, 1959 R. B. TRoUsDALE 2,889,408l

TELEPHONE SYSTEM Original Filed Nov. 23. 1951 32 Sheets-Sheet 16 Calledsiruc ar ircuz'i -222 INVENToR. gabe/Z Z'amscalci 14 y Biff@ @lieg June2, 1959 l R. B. TROUSDALE 42,889,408

TELEPHONE' SYSTEM original Filed Nov.,23. 1951 s2 sheets-sheet 17 7527f/sov.

Dial Impulse [fzteqmw Circuz' -209 35) 35 INVENTOR.

@bari .5 Foz/.scialle f0.3( l5 BYJf/ww June 2, 1959 R. B. TRousDALE2,889,408

TELEPHONE SYSTEM Original Filed Nov. 25. 1951 52 Sheets-Sheet 18 35`INVENTOR. al fo @MMO/I6 zpmerl -/7 lbe/'Z Fal/Sable Jue 2, 1959 R. B.'rRousDALE 2,889,408

TELEPHONE SYSTEM original Filed Nov. 2s. 1951 s2 sheets-sheet 19 IN VENTOR. l ZZ @be/ FOMS JJ BYJ fm June 2, 1959 R. B. TROUSDALE 2,889,408

TELEPHONE SYSTEM 32 Sheets-Sheet 2O Original Filed Nov. 23. 1951

